Home / 343,872,503.20-516,020,226.90-136,574,646.40

Finding the Fourth Proportional to 343,872,503.20, 516,020,226.90 and 136,574,646.40

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Solution

The fourth proportional to 343,872,503.20, 516,020,226.90 and 136,574,646.40 is: 204,945,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872,503.20 : 516,020,226.90 = 136,574,646.40 : x
  2. Step 2: Convert to fraction form
    343,872,503.20/516,020,226.90 = 136,574,646.40/x
  3. Step 3: Cross multiply
    343,872,503.20x = 516,020,226.90 × 136,574,646.40
  4. Step 4: Simplify right side
    343,872,503.20x = 70,475,280,024,115,264
  5. Step 5: Solve for x
    x = 70,475,280,024,115,264/343,872,503.20
  6. Step 6: Final answer
    x = 204,945,959.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.